Final Environmental Impact Statement Volume I, Main Text and Appendices A-J

• Description: related to the Platte River Endangered Species Partnership ‎(aka Platte River Recovery Implementation Program or PRRIP)‎
• State: NE
• Basin: South Platte
• Water Division: 1
• Date: 7/1/1998
• Author: Federal Energy Regulatory Commission ‎(FERC)‎ Office of Hydropower Licensing
• Title: Final Environmental Impact Statement ‎(EIS)‎ - Volume I, Main Text and Appendices A-J - Kingsley Dam ‎(FERC Project No. 1417)‎ and North Platte/Keystone Dam ‎(FERC Project No. 1835)‎ Projects, Nebraska, FERC/FEIS-0063
• Water Supply Pro - Doc Type: EIS

FIGURES (continued)
Figure 3 -21. Staging areas of sandhill cranes in the Platte and North Platte River
Valleys. 3 -52
Figure 3 -22. Project - supplied irrigated lands in the North Platte River Valley. 3 -67
Figure 3 -23. Project - supplied irrigated lands in and around the Platte River Valley. 3 -68
Figure 3 -24. Locations of project facilities used for recreation. 3 -74
Figure 3 -25. Recreational areas on Lake McConaughy. 3 -75
Figure 3 -26. Extent of shoreline area exposed at moderate and extremely low lake
levels. 3 -77
Figure 3 -27. Lake levels in relation to recreational use (1983 to 1986). 3 -79
Figure 3 -28. Lake levels in relation to recreational use (1987 to 1990). 3 -80
Figure 3 -29. Lake levels in relation to recreational use (1991 to 1997). 3 -81
Figure 4 -1. Flow exceedance plot of monthly April flow in the Platte River near Grand
Island, Nebraska, over the 49 -year simulation period. 4 -10
Figure 4 -2. Flow exceedance plot of monthly August flow in the Platte River near
Grand Island, Nebraska over the 49 -year simulation period. 4 -10
Figure 4 -3. Flow exceedance plot of monthly October flow in the Platte River near
Grand Island, Nebraska, over the 49 -year simulation period.
4 -12
Figure 4 -4. Flow exceedance plot of monthly December flow in the Platte River near
Grand Island, Nebraska over the 49 -year simulation period.
4 -12
Figure 4 -5. Relationship of Plum Creek storage to incremental instream flow available
at Grand Island.
4 -21
Figure 4 -6. Central delivery efficiency.
4 -26
Figure 4 -7. Trout suitability value versus lake elevation (end of April) relationship for
Lake McConaughy.
4 -41
Figure 4 -8. Average Lake McConaughy elevations during April, July, and August for
each alternative.
4 -42
Figure 4 -9. Percent of June to September and August Grand Island flow frequencies
for the alternatives.
4 -47
Figure 4 -10. Percent of years with mean flows at Grand Island equal to or greater than
950 cfs.
4 -59
Figure 4 -11. Percent of years with mean flows at Grand Island equal to or greater than
1,600 cfs.
4 -59
Figure 4 -12. Occurrence of flows at Grand Island between 1,800 and 2,700 cfs.
4 -64
Figure 4 -13. Flow exceedance plot of monthly April flow in the Platte River near
Grand Island, Nebraska, over the 49 -year simulation period. 4 -111
ix